Surveillance is most important security systems in home, industrial, office and public places. In this security system is based on the embedded system along with GSM and sensor networks. The human ...

This project demonstrates a simple IoT-enabled door alarm system using an Arduino Uno, PIR sensor, reed module, an LED alarm indicator, and an ESP-01S Wi-Fi module acting as a cloud client. The design ...

There’s a huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors. If you want to put them to work, all you need is a receiver, a network-enabled ...